/Engine/Source/Runtime/Engine/Classes/Engine/World.h
Updates cull distance volumes for a specified component or a specified actor or all actors
True if the passed in actors or components were within a volume
bool UpdateCullDistanceVolumes ( [AActor](API\Runtime\Engine\GameFramework\AActor) * ActorToUpdate, [UPrimitiveComponent](API\Runtime\Engine\Components\UPrimitiveComponent) * ComponentToUpdate )